//
//  NSString+HVV.h
//  FloatClouds
//
//  Created by 黄威 on 16/8/26.
//  Copyright © 2016年 黄威. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (HVV)
- (BOOL) isEmail: (NSString *) emailAddress;
- (BOOL) isPassWord:(NSString *)password;
+(NSString *)random40bitString;
- (NSString *)encodeToPercentEscapeString: (NSString *) input;
@end
